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ISI
2004
Springer
14 years 3 months ago
Generating Concept Hierarchies from Text for Intelligence Analysis
It is important to automatically extract key information from sensitive text documents for intelligence analysis. Text documents are usually unstructured and information extraction...
Jenq-Haur Wang, Chien-Chung Huang, Jei-Wen Teng, L...
SSDBM
2006
IEEE
121views Database» more  SSDBM 2006»
14 years 3 months ago
Time Series Analysis Using the Concept of Adaptable Threshold Similarity
The issue of data mining in time series databases is of utmost importance for many practical applications and has attracted a lot of research in the past years. In this paper, we ...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
CLA
2007
13 years 11 months ago
Concept Analysis on Structured, Multi-valued and Incomplete Data
This paper presents an approach to Concept Analysis of structured, multivalued and incomplete data currently present in life science knowledge bases. We are concerned with tree str...
David Grosser, Henri Ralambondrainy
IJCAI
2007
13 years 11 months ago
Completing Description Logic Knowledge Bases Using Formal Concept Analysis
Abstract. We propose an approach for extending both the terminological and the assertional part of a Description Logic knowledge base by using information provided by the knowledge...
Franz Baader, Bernhard Ganter, Baris Sertkaya, Ulr...
SAC
2010
ACM
14 years 4 months ago
Background knowledge in formal concept analysis: constraints via closure operators
The aim of this short paper is to present a general method of using background knowledge to impose constraints in conceptual clustering of object-attribute relational data. The pr...
Radim Belohlávek, Vilém Vychodil